31932440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{19471}}^1$

素因数の和:19523

約数の個数: 32

約数和(自身を含む): 73604160

約数和(自身を除く): 41671720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 19471, 38942, 77884, 97355, 155768, 194710, 389420, 778840, 798311, 1596622, 3193244, 3991555, 6386488, 7983110, 15966220, 31932440]

約数ペア:

[(1, 31932440), (2, 15966220), (4, 7983110), (5, 6386488), (8, 3991555), (10, 3193244), (20, 1596622), (40, 798311), (41, 778840), (82, 389420), (164, 194710), (205, 155768), (328, 97355), (410, 77884), (820, 38942), (1640, 19471)]